Muhammad Hari Hasibuan, Annas Prasetio, Riwanul Nasron, Arwin Putra, Ahmad Afif. Development Of A Web-Based Student Graduation Information System For Vocational High Schools Using The Waterfall Method. Journal Of Computer Science And Technology [Internet]. 2026 Sep. 28 [cited 2026 Nov. 10];4(3):190-20. Available from: https://jurnal.padangtekno.com/index.php/jocstec/article/view/770